1993 Porsche 928 vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 14 year(s). Which means there will be less support and parts availability for 1993 Porsche 928. In addition, the cost of maintenance, including insurance, on 1993 Porsche 928 would be higher. At 4,662 cc (8 cylinders), 1993 Porsche 928 is equipped with a bigger engine. In terms of performance, 1993 Porsche 928 (306 HP @ 5900 RPM) has 153 more horse power than 2007 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 1993 Porsche 928 should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 5 kg more than 1993 Porsche 928.
Because 1993 Porsche 928 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1993 Porsche 928. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1993 Porsche 928 (408 Nm @ 4100 RPM) has 188 more torque (in Nm) than 2007 Opel Signum. (220 Nm @ 3800 RPM). This means 1993 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum.
Compare all specifications:
| 1993 Porsche 928 | 2007 Opel Signum | |
| Make | Porsche | Opel |
| Model | 928 | Signum |
| Year Released | 1993 | 2007 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4662 cc | 2196 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 306 HP | 153 HP |
| Engine RPM | 5900 RPM | 5600 RPM |
| Torque | 408 Nm | 220 Nm |
| Torque RPM | 4100 RPM | 3800 RPM |
| Engine Bore Size | 97 mm | 86 mm |
| Engine Stroke Size | 78.9 mm | 94.6 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1530 kg | 1535 kg |
| Vehicle Length | 4450 mm | 4640 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1290 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2840 mm |
| Fuel Tank Capacity | 76 L | 60 L |
